To coax Tommy out of his self-induced exile, we need an out-of-control family member and a villainous plot against the homeland. (Blood and country have always been Tommy’s main motivators.) For the first, there is Duke (Barry Keoghan), Tommy’s estranged son, now running the Peaky Blinders 2.0 with fewer scruples than Al Capone. And for the second, who better than the Nazis, who are planning to flood the British economy with counterfeit bank notes?